US Bridges

Pa Cnty RD Yxd over Little Boulder Creek

FairPosted for load

Park County, Wyoming · 34 Mi. S.W. of Cody · Structure no. EGR

Built
1956
69 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
28 ft
1 main span
Daily traffic
130
2024 count
Owner
County
County Highway Agency

About this bridge

Pa Cnty RD Yxd over Little Boulder Creek is a wood or timber stringer/multi-beam or girder carrying Pa Cnty RD Yxd over Little Boulder Creek in Park County, Wyoming. It was built in 1956, so it is 69 years old, older than the Wyoming average of 48.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 130 vehicles a day, roughly 12% of them trucks, projected to reach 182 by 2043. The structure is 28 ft (8.5 m) long and 15 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesPa Cnty RD Yxd
CrossesLittle Boulder Creek
Location34 Mi. S.W. of Cody
RouteCounty Highway 0YXD
CountyPark County
StateWyoming
Coordinates44.1934, -109.54684
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating46.1 US tons
Inventory rating33.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width15 ft (4.7 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2024)
Projected traffic182 by 2043
Trucks12%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$39,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa Cnty RD Yxd over Little Boulder Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is Pa Cnty RD Yxd over Little Boulder Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2025.

How much traffic does Pa Cnty RD Yxd over Little Boulder Creek carry?

About 130 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Pa Cnty RD Yxd over Little Boulder Creek?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 15 ft wide.

Who owns Pa Cnty RD Yxd over Little Boulder Creek?

It is owned by the County Highway Agency.